Parallel and perpendicular lines
Parallel and perpendicular lines.
- Use the stated properties and diagram markings, rather than judging by appearance.
- Matching ticks mean equal lengths; matching arrows mean parallel lines.
- A small square marks a right angle. Keep labels horizontal and include units.
Example 1
Describe the relationship between the two marked lines.
The square marks a right angle.
Example 2
Describe the relationship between the two marked lines.
Matching arrow marks show parallel lines, which remain the same distance apart.
Your turn
Describe the relationship between the two marked lines.
Check answer
The square marks a right angle.
Describe the relationship between the two marked lines.
Check answer
Matching arrow marks show parallel lines, which remain the same distance apart.
Describe the relationship between the two marked lines.
Check answer
The square marks a right angle.
Describe the relationship between the two marked lines.
Check answer
Matching arrow marks show parallel lines, which remain the same distance apart.
Describe the relationship between the two marked lines.
Check answer
The square marks a right angle.
Describe the relationship between the two marked lines.
AnswerThe square marks a right angle.
Describe the relationship between the two marked lines.
AnswerMatching arrow marks show parallel lines, which remain the same distance apart.
Describe the relationship between the two marked lines.
AnswerThe square marks a right angle.
Describe the relationship between the two marked lines.
AnswerMatching arrow marks show parallel lines, which remain the same distance apart.
Describe the relationship between the two marked lines.
AnswerThe square marks a right angle.